Yi Kong | 878f994 | 2023-12-13 12:55:04 +0900 | [diff] [blame^] | 1 | // -*- C++ -*- |
| 2 | //===----------------------------------------------------------------------===// |
| 3 | // |
| 4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 5 | // See https://llvm.org/LICENSE.txt for license information. |
| 6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H |
| 11 | #define _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H |
| 12 | |
| 13 | #include <__config> |
| 14 | #include <__iterator/iterator.h> |
| 15 | #include <__iterator/iterator_traits.h> |
| 16 | #include <__memory/addressof.h> |
| 17 | #include <cstddef> |
| 18 | #include <iosfwd> // for forward declarations of char_traits and basic_ostream |
| 19 | |
| 20 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 21 | # pragma GCC system_header |
| 22 | #endif |
| 23 | |
| 24 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 25 | |
| 26 | _LIBCPP_SUPPRESS_DEPRECATED_PUSH |
| 27 | template <class _Tp, class _CharT = char, class _Traits = char_traits<_CharT> > |
| 28 | class _LIBCPP_TEMPLATE_VIS ostream_iterator |
| 29 | #if _LIBCPP_STD_VER <= 14 || !defined(_LIBCPP_ABI_NO_ITERATOR_BASES) |
| 30 | : public iterator<output_iterator_tag, void, void, void, void> |
| 31 | #endif |
| 32 | { |
| 33 | _LIBCPP_SUPPRESS_DEPRECATED_POP |
| 34 | public: |
| 35 | typedef output_iterator_tag iterator_category; |
| 36 | typedef void value_type; |
| 37 | #if _LIBCPP_STD_VER >= 20 |
| 38 | typedef ptrdiff_t difference_type; |
| 39 | #else |
| 40 | typedef void difference_type; |
| 41 | #endif |
| 42 | typedef void pointer; |
| 43 | typedef void reference; |
| 44 | typedef _CharT char_type; |
| 45 | typedef _Traits traits_type; |
| 46 | typedef basic_ostream<_CharT, _Traits> ostream_type; |
| 47 | |
| 48 | private: |
| 49 | ostream_type* __out_stream_; |
| 50 | const char_type* __delim_; |
| 51 | public: |
| 52 | _LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s) _NOEXCEPT |
| 53 | : __out_stream_(_VSTD::addressof(__s)), __delim_(nullptr) {} |
| 54 | _LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s, const _CharT* __delimiter) _NOEXCEPT |
| 55 | : __out_stream_(_VSTD::addressof(__s)), __delim_(__delimiter) {} |
| 56 | _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator=(const _Tp& __value) |
| 57 | { |
| 58 | *__out_stream_ << __value; |
| 59 | if (__delim_) |
| 60 | *__out_stream_ << __delim_; |
| 61 | return *this; |
| 62 | } |
| 63 | |
| 64 | _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator*() {return *this;} |
| 65 | _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++() {return *this;} |
| 66 | _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++(int) {return *this;} |
| 67 | }; |
| 68 | |
| 69 | _LIBCPP_END_NAMESPACE_STD |
| 70 | |
| 71 | #endif // _LIBCPP___ITERATOR_OSTREAM_ITERATOR_H |